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Finding the Fourth Proportional to 1,497.52, 2,246.55 and 457.61

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Solution

The fourth proportional to 1,497.52, 2,246.55 and 457.61 is: 686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.52 : 2,246.55 = 457.61 : x
  2. Step 2: Convert to fraction form
    1,497.52/2,246.55 = 457.61/x
  3. Step 3: Cross multiply
    1,497.52x = 2,246.55 × 457.61
  4. Step 4: Simplify right side
    1,497.52x = 1,028,043.75
  5. Step 5: Solve for x
    x = 1,028,043.75/1,497.52
  6. Step 6: Final answer
    x = 686.50

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1.5x scale

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.