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Finding the Fourth Proportional to 556.16, 834.32 and 527.04

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Solution

The fourth proportional to 556.16, 834.32 and 527.04 is: 790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.16 : 834.32 = 527.04 : x
  2. Step 2: Convert to fraction form
    556.16/834.32 = 527.04/x
  3. Step 3: Cross multiply
    556.16x = 834.32 × 527.04
  4. Step 4: Simplify right side
    556.16x = 439,720.01
  5. Step 5: Solve for x
    x = 439,720.01/556.16
  6. Step 6: Final answer
    x = 790.64

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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.