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Finding the Fourth Proportional to 632.60, 947.10 and 567.80

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Solution

The fourth proportional to 632.60, 947.10 and 567.80 is: 850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.60 : 947.10 = 567.80 : x
  2. Step 2: Convert to fraction form
    632.60/947.10 = 567.80/x
  3. Step 3: Cross multiply
    632.60x = 947.10 × 567.80
  4. Step 4: Simplify right side
    632.60x = 537,763.38
  5. Step 5: Solve for x
    x = 537,763.38/632.60
  6. Step 6: Final answer
    x = 850.08

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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.