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Finding the Fourth Proportional to 530.19, 731.25 and 352.83

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Solution

The fourth proportional to 530.19, 731.25 and 352.83 is: 486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.19 : 731.25 = 352.83 : x
  2. Step 2: Convert to fraction form
    530.19/731.25 = 352.83/x
  3. Step 3: Cross multiply
    530.19x = 731.25 × 352.83
  4. Step 4: Simplify right side
    530.19x = 258,006.94
  5. Step 5: Solve for x
    x = 258,006.94/530.19
  6. Step 6: Final answer
    x = 486.63

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.