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Finding the Fourth Proportional to 530.87, 731.96 and 368.76

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Solution

The fourth proportional to 530.87, 731.96 and 368.76 is: 508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.87 : 731.96 = 368.76 : x
  2. Step 2: Convert to fraction form
    530.87/731.96 = 368.76/x
  3. Step 3: Cross multiply
    530.87x = 731.96 × 368.76
  4. Step 4: Simplify right side
    530.87x = 269,915.73
  5. Step 5: Solve for x
    x = 269,915.73/530.87
  6. Step 6: Final answer
    x = 508.45

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Find fourth proportional to 265.43, 365.98 and 184.38
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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.