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Finding the Fourth Proportional to 554.77, 826.34 and 526.69

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Solution

The fourth proportional to 554.77, 826.34 and 526.69 is: 784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.77 : 826.34 = 526.69 : x
  2. Step 2: Convert to fraction form
    554.77/826.34 = 526.69/x
  3. Step 3: Cross multiply
    554.77x = 826.34 × 526.69
  4. Step 4: Simplify right side
    554.77x = 435,225.01
  5. Step 5: Solve for x
    x = 435,225.01/554.77
  6. Step 6: Final answer
    x = 784.51

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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.