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Finding the Fourth Proportional to 1,065.16, 1,597.96 and 334.72

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Solution

The fourth proportional to 1,065.16, 1,597.96 and 334.72 is: 502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065.16 : 1,597.96 = 334.72 : x
  2. Step 2: Convert to fraction form
    1,065.16/1,597.96 = 334.72/x
  3. Step 3: Cross multiply
    1,065.16x = 1,597.96 × 334.72
  4. Step 4: Simplify right side
    1,065.16x = 534,869.17
  5. Step 5: Solve for x
    x = 534,869.17/1,065.16
  6. Step 6: Final answer
    x = 502.15

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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.