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Finding the Fourth Proportional to 607.06, 836.56 and 432.10

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Solution

The fourth proportional to 607.06, 836.56 and 432.10 is: 595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.06 : 836.56 = 432.10 : x
  2. Step 2: Convert to fraction form
    607.06/836.56 = 432.10/x
  3. Step 3: Cross multiply
    607.06x = 836.56 × 432.10
  4. Step 4: Simplify right side
    607.06x = 361,479.16
  5. Step 5: Solve for x
    x = 361,479.16/607.06
  6. Step 6: Final answer
    x = 595.46

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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.