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Finding the Fourth Proportional to 586.74, 808.76 and 462.21

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Solution

The fourth proportional to 586.74, 808.76 and 462.21 is: 637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.74 : 808.76 = 462.21 : x
  2. Step 2: Convert to fraction form
    586.74/808.76 = 462.21/x
  3. Step 3: Cross multiply
    586.74x = 808.76 × 462.21
  4. Step 4: Simplify right side
    586.74x = 373,815.08
  5. Step 5: Solve for x
    x = 373,815.08/586.74
  6. Step 6: Final answer
    x = 637.10

Related Problems

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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.