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Finding the Fourth Proportional to 565.55, 848.01 and 305.61

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Solution

The fourth proportional to 565.55, 848.01 and 305.61 is: 458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.55 : 848.01 = 305.61 : x
  2. Step 2: Convert to fraction form
    565.55/848.01 = 305.61/x
  3. Step 3: Cross multiply
    565.55x = 848.01 × 305.61
  4. Step 4: Simplify right side
    565.55x = 259,158.30
  5. Step 5: Solve for x
    x = 259,158.30/565.55
  6. Step 6: Final answer
    x = 458.24

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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.