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Finding the Fourth Proportional to 352.94, 526.34 and 309.82

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Solution

The fourth proportional to 352.94, 526.34 and 309.82 is: 462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.94 : 526.34 = 309.82 : x
  2. Step 2: Convert to fraction form
    352.94/526.34 = 309.82/x
  3. Step 3: Cross multiply
    352.94x = 526.34 × 309.82
  4. Step 4: Simplify right side
    352.94x = 163,070.66
  5. Step 5: Solve for x
    x = 163,070.66/352.94
  6. Step 6: Final answer
    x = 462.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.