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Finding the Fourth Proportional to 573.50, 859.62 and 492.08

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Solution

The fourth proportional to 573.50, 859.62 and 492.08 is: 737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.50 : 859.62 = 492.08 : x
  2. Step 2: Convert to fraction form
    573.50/859.62 = 492.08/x
  3. Step 3: Cross multiply
    573.50x = 859.62 × 492.08
  4. Step 4: Simplify right side
    573.50x = 423,001.81
  5. Step 5: Solve for x
    x = 423,001.81/573.50
  6. Step 6: Final answer
    x = 737.58

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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.