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Finding the Fourth Proportional to 583.22, 873.70 and 348.22

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Solution

The fourth proportional to 583.22, 873.70 and 348.22 is: 521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.22 : 873.70 = 348.22 : x
  2. Step 2: Convert to fraction form
    583.22/873.70 = 348.22/x
  3. Step 3: Cross multiply
    583.22x = 873.70 × 348.22
  4. Step 4: Simplify right side
    583.22x = 304,239.81
  5. Step 5: Solve for x
    x = 304,239.81/583.22
  6. Step 6: Final answer
    x = 521.66

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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.