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Finding the Fourth Proportional to 841.24, 1,159.10 and 604.43

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Solution

The fourth proportional to 841.24, 1,159.10 and 604.43 is: 832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    841.24 : 1,159.10 = 604.43 : x
  2. Step 2: Convert to fraction form
    841.24/1,159.10 = 604.43/x
  3. Step 3: Cross multiply
    841.24x = 1,159.10 × 604.43
  4. Step 4: Simplify right side
    841.24x = 700,590.53
  5. Step 5: Solve for x
    x = 700,590.53/841.24
  6. Step 6: Final answer
    x = 832.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.