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Finding the Fourth Proportional to 565.64, 847.48 and 403.04

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Solution

The fourth proportional to 565.64, 847.48 and 403.04 is: 603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.64 : 847.48 = 403.04 : x
  2. Step 2: Convert to fraction form
    565.64/847.48 = 403.04/x
  3. Step 3: Cross multiply
    565.64x = 847.48 × 403.04
  4. Step 4: Simplify right side
    565.64x = 341,568.34
  5. Step 5: Solve for x
    x = 341,568.34/565.64
  6. Step 6: Final answer
    x = 603.86

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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.