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Finding the Fourth Proportional to 350.61, 526.32 and 188.61

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Solution

The fourth proportional to 350.61, 526.32 and 188.61 is: 283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.61 : 526.32 = 188.61 : x
  2. Step 2: Convert to fraction form
    350.61/526.32 = 188.61/x
  3. Step 3: Cross multiply
    350.61x = 526.32 × 188.61
  4. Step 4: Simplify right side
    350.61x = 99,269.22
  5. Step 5: Solve for x
    x = 99,269.22/350.61
  6. Step 6: Final answer
    x = 283.13

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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.