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Finding the Fourth Proportional to 349.03, 526.02 and 328.51

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Solution

The fourth proportional to 349.03, 526.02 and 328.51 is: 495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.03 : 526.02 = 328.51 : x
  2. Step 2: Convert to fraction form
    349.03/526.02 = 328.51/x
  3. Step 3: Cross multiply
    349.03x = 526.02 × 328.51
  4. Step 4: Simplify right side
    349.03x = 172,802.83
  5. Step 5: Solve for x
    x = 172,802.83/349.03
  6. Step 6: Final answer
    x = 495.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.