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Finding the Fourth Proportional to 586.04, 808.99 and 559.91

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Solution

The fourth proportional to 586.04, 808.99 and 559.91 is: 772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.04 : 808.99 = 559.91 : x
  2. Step 2: Convert to fraction form
    586.04/808.99 = 559.91/x
  3. Step 3: Cross multiply
    586.04x = 808.99 × 559.91
  4. Step 4: Simplify right side
    586.04x = 452,962.21
  5. Step 5: Solve for x
    x = 452,962.21/586.04
  6. Step 6: Final answer
    x = 772.93

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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.