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Finding the Fourth Proportional to 611.19, 843.53 and 592.07

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Solution

The fourth proportional to 611.19, 843.53 and 592.07 is: 817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.19 : 843.53 = 592.07 : x
  2. Step 2: Convert to fraction form
    611.19/843.53 = 592.07/x
  3. Step 3: Cross multiply
    611.19x = 843.53 × 592.07
  4. Step 4: Simplify right side
    611.19x = 499,421.63
  5. Step 5: Solve for x
    x = 499,421.63/611.19
  6. Step 6: Final answer
    x = 817.13

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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.