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Finding the Fourth Proportional to 632.60, 947.73 and 530.54

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Solution

The fourth proportional to 632.60, 947.73 and 530.54 is: 794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.60 : 947.73 = 530.54 : x
  2. Step 2: Convert to fraction form
    632.60/947.73 = 530.54/x
  3. Step 3: Cross multiply
    632.60x = 947.73 × 530.54
  4. Step 4: Simplify right side
    632.60x = 502,808.67
  5. Step 5: Solve for x
    x = 502,808.67/632.60
  6. Step 6: Final answer
    x = 794.83

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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.