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Finding the Fourth Proportional to 973.35, 1,458.97 and 561.62

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Solution

The fourth proportional to 973.35, 1,458.97 and 561.62 is: 841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.35 : 1,458.97 = 561.62 : x
  2. Step 2: Convert to fraction form
    973.35/1,458.97 = 561.62/x
  3. Step 3: Cross multiply
    973.35x = 1,458.97 × 561.62
  4. Step 4: Simplify right side
    973.35x = 819,388.97
  5. Step 5: Solve for x
    x = 819,388.97/973.35
  6. Step 6: Final answer
    x = 841.82

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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.