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Finding the Fourth Proportional to 353.34, 526.65 and 346.51

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Solution

The fourth proportional to 353.34, 526.65 and 346.51 is: 516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.34 : 526.65 = 346.51 : x
  2. Step 2: Convert to fraction form
    353.34/526.65 = 346.51/x
  3. Step 3: Cross multiply
    353.34x = 526.65 × 346.51
  4. Step 4: Simplify right side
    353.34x = 182,488.85
  5. Step 5: Solve for x
    x = 182,488.85/353.34
  6. Step 6: Final answer
    x = 516.47

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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.