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Finding the Fourth Proportional to 555.02, 826.71 and 526.94

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Solution

The fourth proportional to 555.02, 826.71 and 526.94 is: 784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.02 : 826.71 = 526.94 : x
  2. Step 2: Convert to fraction form
    555.02/826.71 = 526.94/x
  3. Step 3: Cross multiply
    555.02x = 826.71 × 526.94
  4. Step 4: Simplify right side
    555.02x = 435,627.88
  5. Step 5: Solve for x
    x = 435,627.88/555.02
  6. Step 6: Final answer
    x = 784.89

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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.