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Finding the Fourth Proportional to 525.98, 724.86 and 368.10

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Solution

The fourth proportional to 525.98, 724.86 and 368.10 is: 507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.98 : 724.86 = 368.10 : x
  2. Step 2: Convert to fraction form
    525.98/724.86 = 368.10/x
  3. Step 3: Cross multiply
    525.98x = 724.86 × 368.10
  4. Step 4: Simplify right side
    525.98x = 266,820.97
  5. Step 5: Solve for x
    x = 266,820.97/525.98
  6. Step 6: Final answer
    x = 507.29

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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.