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Finding the Fourth Proportional to 353.03, 526.64 and 312.53

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Solution

The fourth proportional to 353.03, 526.64 and 312.53 is: 466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.03 : 526.64 = 312.53 : x
  2. Step 2: Convert to fraction form
    353.03/526.64 = 312.53/x
  3. Step 3: Cross multiply
    353.03x = 526.64 × 312.53
  4. Step 4: Simplify right side
    353.03x = 164,586.60
  5. Step 5: Solve for x
    x = 164,586.60/353.03
  6. Step 6: Final answer
    x = 466.22

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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.