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Finding the Fourth Proportional to 530.96, 737.66 and 525.68

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Solution

The fourth proportional to 530.96, 737.66 and 525.68 is: 730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.96 : 737.66 = 525.68 : x
  2. Step 2: Convert to fraction form
    530.96/737.66 = 525.68/x
  3. Step 3: Cross multiply
    530.96x = 737.66 × 525.68
  4. Step 4: Simplify right side
    530.96x = 387,773.11
  5. Step 5: Solve for x
    x = 387,773.11/530.96
  6. Step 6: Final answer
    x = 730.32

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.