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Finding the Fourth Proportional to 565.46, 848.04 and 257.16

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Solution

The fourth proportional to 565.46, 848.04 and 257.16 is: 385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.46 : 848.04 = 257.16 : x
  2. Step 2: Convert to fraction form
    565.46/848.04 = 257.16/x
  3. Step 3: Cross multiply
    565.46x = 848.04 × 257.16
  4. Step 4: Simplify right side
    565.46x = 218,081.97
  5. Step 5: Solve for x
    x = 218,081.97/565.46
  6. Step 6: Final answer
    x = 385.67

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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.