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Finding the Fourth Proportional to 1,565.91, 2,348.01 and 469.98

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Solution

The fourth proportional to 1,565.91, 2,348.01 and 469.98 is: 704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.91 : 2,348.01 = 469.98 : x
  2. Step 2: Convert to fraction form
    1,565.91/2,348.01 = 469.98/x
  3. Step 3: Cross multiply
    1,565.91x = 2,348.01 × 469.98
  4. Step 4: Simplify right side
    1,565.91x = 1,103,517.74
  5. Step 5: Solve for x
    x = 1,103,517.74/1,565.91
  6. Step 6: Final answer
    x = 704.71

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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.