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Finding the Fourth Proportional to 567.46, 851.51 and 307.45

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Solution

The fourth proportional to 567.46, 851.51 and 307.45 is: 461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.46 : 851.51 = 307.45 : x
  2. Step 2: Convert to fraction form
    567.46/851.51 = 307.45/x
  3. Step 3: Cross multiply
    567.46x = 851.51 × 307.45
  4. Step 4: Simplify right side
    567.46x = 261,795.21
  5. Step 5: Solve for x
    x = 261,795.21/567.46
  6. Step 6: Final answer
    x = 461.35

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Double scale
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Similar ratio
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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.