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Finding the Fourth Proportional to 564.15, 848.05 and 506.64

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Solution

The fourth proportional to 564.15, 848.05 and 506.64 is: 761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.15 : 848.05 = 506.64 : x
  2. Step 2: Convert to fraction form
    564.15/848.05 = 506.64/x
  3. Step 3: Cross multiply
    564.15x = 848.05 × 506.64
  4. Step 4: Simplify right side
    564.15x = 429,654.79
  5. Step 5: Solve for x
    x = 429,654.79/564.15
  6. Step 6: Final answer
    x = 761.60

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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.