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Finding the Fourth Proportional to 530.09, 795.14 and 298.99

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Solution

The fourth proportional to 530.09, 795.14 and 298.99 is: 448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.09 : 795.14 = 298.99 : x
  2. Step 2: Convert to fraction form
    530.09/795.14 = 298.99/x
  3. Step 3: Cross multiply
    530.09x = 795.14 × 298.99
  4. Step 4: Simplify right side
    530.09x = 237,738.91
  5. Step 5: Solve for x
    x = 237,738.91/530.09
  6. Step 6: Final answer
    x = 448.49

Related Problems

Find fourth proportional to 265.05, 397.57 and 149.50
Half scale
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Double scale
Find fourth proportional to 531.09, 796.64 and 299.99
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.