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Finding the Fourth Proportional to 565.40, 848 and 240.72

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Solution

The fourth proportional to 565.40, 848 and 240.72 is: 361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.40 : 848 = 240.72 : x
  2. Step 2: Convert to fraction form
    565.40/848 = 240.72/x
  3. Step 3: Cross multiply
    565.40x = 848 × 240.72
  4. Step 4: Simplify right side
    565.40x = 204,130.56
  5. Step 5: Solve for x
    x = 204,130.56/565.40
  6. Step 6: Final answer
    x = 361.04

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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.