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Finding the Fourth Proportional to 530.06, 795.35 and 400.84

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Solution

The fourth proportional to 530.06, 795.35 and 400.84 is: 601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.06 : 795.35 = 400.84 : x
  2. Step 2: Convert to fraction form
    530.06/795.35 = 400.84/x
  3. Step 3: Cross multiply
    530.06x = 795.35 × 400.84
  4. Step 4: Simplify right side
    530.06x = 318,811.58
  5. Step 5: Solve for x
    x = 318,811.58/530.06
  6. Step 6: Final answer
    x = 601.47

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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.